learns more: https://www.usccb.org/about What does the United States Conference of Catholic Bishops (USCCB) do? Our purposes under civil law are: to unify, coordinate, encourage, promote and carry on Catholic activities in the United States; to organize and conduct religious, charitable and social welfare work at home and abroad; to aid in education; to care for immigrants; and generally to enter into and promote by education, publication and direction the objects of its being.